180 degree shutter

    Man in green shirt and white pants captured mid-stride running through grassy field with motion blur effect and trees in background.

    180 Degree Shutter Rule: The Secret to Cinematic Motion Blur in Video
    Oct 29, 2025 Darlene Lleno

    The 180 degree shutter rule guides filmmakers to set shutter speed at double their frame rate for natural motion blur. However, the rule only works reliably at typical frame rates with normal-speed subjects, breaking down with high frame rates, fast subjects, and artificial lighting conditions that require matching power frequencies instead.